Which two signs should be interchanged in the following equation to make it correct?
$$405 + 27 \times 40 - 308 \div 22 = 314$$
By trial and error method,
Option A
$$405\div27\times40-308+22=314$$
$$15\times40-308+22=314$$
$$600-308+22=314$$
$$314=314$$
Hence, the correct answer is Option A
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